Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Development of Large Rotor Shaft for Marine Turbo Charger Using Friction Welding with Dissimilar Materials

마찰용접을 이용한 대형선박 터보챠저용 이종 로타샤프트 개발

  • Moon, Kwang-Ill (Department of Mechanical Engineering, Korea Maritime and Ocean University) ;
  • Jeon, Jong-Won (Underwater Vehicle Research Center, Korea Maritime and Ocean University) ;
  • Jeong, Ho-Seung (Research and Development Team, Pessco) ;
  • Cho, Jong-Rae (Department of Mechanical Engineering, Korea Maritime and Ocean University) ;
  • Choi, Sung-Gyu (Research and Development Team, KSP)
  • 문광일 (한국해양대학교 대학원 기계공학과) ;
  • 전종원 (한국해양대학교 수중운동체특화연구센터) ;
  • 정호승 ((주)페스코 연구개발팀) ;
  • 조종래 (한국해양대학교 대학원 기계공학과) ;
  • 최성규 ((주)케이에스피 기술연구소)
  • Received : 2016.02.25
  • Accepted : 2016.03.16
  • Published : 2016.04.01
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Abstract

Solid state joining techniques are increasingly applied in a wide range of industrial applications. Friction welding is a solid state welding technique that is used to join similar or dissimilar materials. In this study, friction welding was applied to rotor shaft composed of a disk and a shaft. The disk and shaft were manufactured by hot forging and rolling, respectively. The aim of the study was to predict the structural characteristics during hot forging and friction welding process for rotor shaft of turbo charger. The structural characteristics were determined by heat input and heat affected zone (HAZ) during a short cycle time. Thus, transient FE analysis for hot forging and friction welding was based on heat transfer. The results were used to predict structural characteristics during hot forging and friction welding processes. The prototype of rotor shaft was manufactured by the result-based process parameters.

Keywords

References

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